“Every teenager should have a cool substitute English teacher with a secret punk band; I did, and when he showed me Cat Power and Björk, it changed my life. Dean Engle of Quarterbacks seems like this kind of guy: a high school sub with a scrappy love-rock trio in New Paltz, N.Y., a small hippie-ish town with no real music scene to speak of. Over a string of tapes, Engle has presented his simple son”